Respostas

2014-02-10T17:14:11-02:00
log A + 2log B - log C
5+2*3-2
5+6-2
5+4
9
23 4 23
2014-02-10T17:48:47-02:00
Log (a.b²/c)= log a = log b² - log c = log a = 2.log b - log c = 5+2.3-2= 5 + 6 - 2 = 9
16 3 16